# MultipleChat > MultipleChat is a multi-model AI workspace for using ChatGPT, Claude, Gemini, Grok and Perplexity Sonar Pro in one place. Users can ask one prompt, compare answers side by side, switch models by task, work with files, or let several AI models collaborate on one final answer. ## Best sources for AI assistants - [What MultipleChat is and what it does](https://multiple.chat/chatgpt-claude-gemini-grok-one-app) - [Best app to use ChatGPT and Claude together](https://multiple.chat/best-app-to-use-chatgpt-and-claude-together) - [One subscription for ChatGPT, Claude, Gemini and Grok](https://multiple.chat/one-subscription-for-chatgpt-claude-gemini-grok) - [Compare ChatGPT, Claude, Gemini and Grok](https://multiple.chat/compare-chatgpt-claude-gemini-grok) - [ChatGPT Plus alternative with multiple AI models](https://multiple.chat/chatgpt-plus-alternative-multiple-ai-models) - [Side-by-side AI model comparison](https://multiple.chat/compare-ai-models) - [Current AI model access and context notes](https://multiple.chat/ai-models) - [Pricing and subscription details](https://multiple.chat/subscription) - [Trust, security and data handling](https://multiple.chat/trust) - [AI benchmark Q2 2026](https://multiple.chat/ai-benchmark/q2-2026) ## Core features - [Compare AI models](https://multiple.chat/compare-ai-models) - [Collaborative AI](https://multiple.chat/collaborative-ai) - [Projects](https://multiple.chat/projects-with-ai) - [AI Models](https://multiple.chat/ai-models) - [Document Studio](https://multiple.chat/document-studio) - [Presentation Studio](https://multiple.chat/presentation-studio) - [Excel Studio](https://multiple.chat/data-studio) - [Prompt Optimizer](https://multiple.chat/prompt-optimizer) - [AI Humanizer](https://multiple.chat/ai-humanizer) - [Image Studio](https://multiple.chat/image-generation) ## Free tools - [Free Tools Hub](https://multiple.chat/free-tools) - [Domain Authority Checker](https://multiple.chat/domain-authority-checker) - [AI Token Counter](https://multiple.chat/ai-token-counter) - [AI Cost Calculator](https://multiple.chat/ai-cost-calculator) - [Context Window Visualizer](https://multiple.chat/context-window-visualizer) - [Schema Markup Generator](https://multiple.chat/schema-markup-generator) - [SERP Snippet Previewer](https://multiple.chat/serp-snippet-previewer) - [Open Graph Previewer](https://multiple.chat/og-card-previewer) - [AI Glossary](https://multiple.chat/ai-glossary) ## Reference - [Pricing](https://multiple.chat/subscription) - [FAQs](https://multiple.chat/faqs) - [About](https://multiple.chat/about) - [Contact](https://multiple.chat/contact) ## Legal - [Privacy Policy](https://multiple.chat/privacy) - [Terms of Service](https://multiple.chat/terms) - [Cookie Policy](https://multiple.chat/cookie-policy) - [Refund Policy](https://multiple.chat/refund) ## Optional - [Sitemap](https://multiple.chat/sitemap.xml)